Chess Puzzle #4A624 — Expert, Black to move, middlegame

Position

White: king h2; queen g6; rooks c1/f1; knight g3; pawns a4/b5/d5/f2/h3. Black: king g8; queen f3; rook f8; knights e4/g5; pawns a5/b6/d6/e5/g7/h6. White is ahead by 1 point of material. Black to move.

Solution (4 moves)

1. Opponent setup: Rc7 — rook c1→c7. Now Black to move.
2. Best move: Qxf2+ — queen f3→f2, captures pawn, gives check. Opponent replies Rxf2 (rook f1→f2, captures queen).
3. Best move: Rxf2+ — rook f8→f2, captures rook, gives check. Opponent replies Kg1 (king h2→g1).
4. Best move: Nf3+ — knight g5→f3, gives check. Opponent replies Kh1 (king g1→h1).
5. Best move: Rh2# — rook f2→h2, delivers checkmate.

Tactical themes

arabian mate, mate, mate in 4, middlegame, sacrifice, very long. The combination ends with Rh2# delivering checkmate.

Position data

FEN: 5rk1/6p1/1p1p2Qp/pP1Pp1n1/P3n3/5qNP/5P1K/2R2R2 w - - 4 26

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